I know how to solve 1-a and 1-b but I got question 2 wrong. Please help me and show the steps if possible.

5 value: 10.00 points Problem 9-2 Deciding Whether to Add or Drop a Product (LO1 CC3) Tracey Douglas is the owner and managing director of Heritage Garden Furniture Ltd., a South African company that makes museum-quality reproductions of antique outdoor furniture. Tracey would like advice concerning the advisability of eliminating the model C3 lawn chair. These lawn chairs have been among the company's best-selling products, but they seem unprofitable A condensed statement of operating income for the company and for the model C3 lawn chair for the quarter ended June 30 follows Model C3 Lawn Chair All Products Sales R 800,000 R 4,400,000 Cost of sales Direct materials Direct labour Fringe benefits (20% of direct labour) Variable manufacturing overhead Building rent and maintenance Depreciation 320,000 192,000 38,400 9,600 10,400 51,200 1,144,000 1,012,000 202,400 44,000 44,000 110,000 Total cost of sales Gross margin Selling and administrative expenses 621,600 2,556,400 178,400 1,843,600 Product managers' salaries Sales commissions (5% of sales) Fringe benefits (20% of salaries and commissions) Shipping 26,400 40,000 13,280 15,000 128,000 110,000 220,000 66,000 176,000 704,000 General administrative expenses Total selling and administrative expenses Net operating income (loss) 222,680 1,276,000 R (44,280) R 567,600 The currency in South Africa is the rand, denoted here by R